Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1987-12-21
1989-05-16
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273418, A63B 3900
Patent
active
048303704
ABSTRACT:
A game ball of the type having a flexible resilient wall defining a space inside the ball that is fluid tight and contains a compressible fluid is given a break signalling capability by placing a small quantity of very fine particulate material in that space inside the ball.
REFERENCES:
patent: 3081091 (1963-03-01), Grow
patent: 4065126 (1977-12-01), Mantz
patent: 4614340 (1986-09-01), Hosoya
patent: 4637616 (1987-01-01), Whiting
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